Siemens 3RT2038-1AT60 Power Contactor 80A, 37kW, 600V AC, S2 Original Brand New

Overview: Siemens SIRIUS 3RT20 Power Contactor

The Siemens 3RT2038-1AT60 is a high-performance, 3-pole Power Contactor from the renowned SIRIUS 3RT20 series, designed for switching electric motors up to 37 kW. As a vital component in industrial control panels and motor feeders, this robust device ensures reliable operation and is built to the highest Siemens quality standards.

Featuring a compact Size S2 frame, the 3RT2038-1AT60 is rated for an operational current of 80 A (AC-3e/AC-3) at 400 V. It is equipped with a $600\text{V AC},60\text{ Hz}$ coil and includes one integrated normally open ($\text{1 NO}$) and one normally closed ($\text{1 NC}$) auxiliary contact for control circuit interlocking and signaling. The unit utilizes reliable screw terminals for secure and easy wiring of both main and auxiliary circuits.

Benefits & Features

1. Reliable Motor Switching: Rated for AC-3e/AC-3 applications, ensuring long-term, safe, and efficient switching of electric motors up to $37\text{ kW}$ (at $400\text{ V}$).
2. Compact Size S2: Optimized for space-saving installation in control cabinets and motor control centers.
3. Integrated Auxiliary Contacts: The built-in $\text{1 NO}+\text{1 NC}$ contacts simplify control circuit wiring and provide essential feedback for system monitoring.
4. Robust Connection: Secure and field-proven screw terminals provide reliable, vibration-proof connections for both main and control power circuits.
5. Modular SIRIUS System: Seamlessly integrates with the wider SIRIUS modular system, allowing for easy assembly with matching components like SIRIUS 3RU2 thermal overload relays (e.g., 3RU2136 series) and auxiliary switch blocks.
6. Global Standard Compliance: $\text{IEC}$ and $\text{UL/CSA}$ approved, making it suitable for worldwide applications.

Function

The Siemens 3RT2038-1AT60 power contactor is an electromechanical switching device used to establish or interrupt the power circuit of an electric motor. When the $600\text{V AC}$ coil is energized, the main contacts close, supplying power to the motor. The integrated auxiliary contacts change state simultaneously, which is typically used for control system feedback, interlocking, or operating pilot lights. The $\text{AC-3e}$ rating signifies it is suitable for modern high-efficiency motor applications ($\text{IE3/IE4}$ ready).

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